code: def __init__(self, collate_fn):
      super().__init__()
      self.collate_fn = collate_fn
  
file_path: pytorch-meta/torchmeta/utils/data/dataloader.py
imports: from collections import OrderedDict
  from torch.utils.data import DataLoader
  from torch.utils.data.dataloader import default_collate
  from torch.utils.data.dataset import Dataset
  from torchmeta.utils.data.dataset import CombinationMetaDataset
  from torchmeta.utils.data.sampler import CombinationSequentialSampler, CombinationRandomSampler
label_desc: Use image node_id 1 to create a new BatchMetaCollate object from inherited base classes: object with example: obj = BatchMetaCollate(collate_fn)